NAME
uled – USB LED driver
SYNOPSIS
device uled device usb
In loader.conf(5): uled_load="YES"
DESCRIPTION
The uled driver provides support for Dream Cheeky WebMail Notifier and ThingM blink(1) notification LED.
Subsequently, the /dev/uled0 device can be used by userland applications.
IOCTLS
The following ioctl(2) commands can be performed on /dev/uled0, which are defined in ⟨dev/usb/uled_ioctl.h⟩:
- ULED_GET_COLOR
-
The command returns LED colors with values for RGB. This ioctl(2) takes the following structure:
struct uled_color { uint8_t red; uint8_t green; uint8_t blue; }; - ULED_SET_COLOR
-
The command sets LED colors with values for RGB. It uses the same structure as above.
FILES
- /dev/uled0
-
blocking device node
SEE ALSO
AUTHORS
The uled driver was written by Kevin Lo ⟨[email protected]⟩.